Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
513-506 A Monroe OH 284F PEERLESS NETWORK OF OHIO, LLC - OH 328      
937-566 A Wilmington OH 284F PEERLESS NETWORK OF OHIO, LLC - OH 328      
937-741 A Dayton OH 284F PEERLESS NETWORK OF OHIO, LLC - OH 328      
937-871 A Danville (Highland) OH 284F PEERLESS NETWORK OF OHIO, LLC - OH 328      
937-957 A Ripley OH 284F PEERLESS NETWORK OF OHIO, LLC - OH 328      
937-972 A Dayton OH 284F PEERLESS NETWORK OF OHIO, LLC - OH 328      
937-975 A Winchester OH 284F PEERLESS NETWORK OF OHIO, LLC - OH 328      
937-980 A Troy OH 284F PEERLESS NETWORK OF OHIO, LLC - OH 328      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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